[NETBEANS-4608] NetBeans hangs on opening newly added files

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 12.0
• Component/s: editor - Other

Environment

Product Version = Apache NetBeans IDE 12.0

Operating System = Linux version 5.4.0-40-generic running on amd64

Java; VM; Vendor = 11.0.7; OpenJDK 64-Bit Server VM 11.0.7+10-post-Ubuntu-3ubuntu1; Ubuntu

Runtime = OpenJDK Runtime Environment 11.0.7+10-post-Ubuntu-3ubuntu1

Java Home = /usr/lib/jvm/java-11-openjdk-amd64

• Assignee: Unassigned
• Reporter: Marat
• Created: 20/Jul/20 10:13
• Updated: 20/Jul/20 10:16

Description

Steps to reproduce:

1. Create C++ project
2. Add to git
3. Create new file ("error_handlers.c" in this case)
4. Open the new file

NetBeans hangs with 100% CPU usage
Log:

INFO [org.netbeans.modules.parsing.impl.indexing.RepositoryUpdater]: Complete indexing of 10 source roots took: 5,273 ms (New or modified files: 411, Deleted files: 123) [Adding listeners took: 26 ms]
INFO [DeepReparsingUtils]: changedFileProject for INITIAL [REMOVED]/apply_old_config.h
INFO [DeepReparsingUtils]: changedFileProject for INITIAL [REMOVED]/sdk_resources.h
WARNING [org.openide.filesystems.Ordering]: Not all children in / marked with the position attribute: [org-netbeans-modules-lsp-client-bindings-CompletionProviderImpl.instance], but some are: [org-netbeans-modules-cnd-completion-cplusplus-CsmCompletionProvider.instance, org-netbeans-modules-cnd-completion-includes-CsmIncludeCompletionProvider.instance, org-netbeans-modules-cnd-completion-preprocessor-CsmPreprocessorDirectiveCompletionProvider.instance, org-netbeans-lib-editor-codetemplates-CodeTemplateCompletionProvider.instance, org-netbeans-modules-cnd-completion-keywords.CsmKeywordsCompletionProvider.instance, org-netbeans-modules-spellchecker-completion-WordCompletion.instance]
WARNING [org.netbeans.modules.versioning.util.Utils]: associateEncoding() no file object available for /tmp/vcs-1595230011031/vcs-1595230024792/error_handlers.c
WARNING [org.netbeans.modules.versioning.util.Utils]: associateEncoding() no file object available for /tmp/vcs-1595230011031/vcs-1595230025644/error_handlers.c